medium Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [25, _] → [15, _, _] → [8, _, 3, 7]

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Answer: Row3[3]=10, Row4[2]=7, Row2[2]=20, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [25,20]
  • [15,10,10]
  • [8,7,3,7]
Base
  • 8
  • 7
  • 3
  • 7
TopValue
45
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [9, 11] → [5, _, _] → [4, _, _, 4]

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Answer: Row4[2]=1, Row3[3]=7, Row4[3]=3, Row3[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [9,11]
  • [5,4,7]
  • [4,1,3,4]
Base
  • 4
  • 1
  • 3
  • 4
TopValue
20
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [30, 30] → [16, _, _] → [_, 6, 8, _]

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Answer: Row3[2]=14, Row3[3]=16, Row4[4]=8, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [30,30]
  • [16,14,16]
  • [10,6,8,8]
Base
  • 10
  • 6
  • 8
  • 8
TopValue
60
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [13, _] → [4, 9, _] → [3, _, _, 1]

Show answer

Answer: Row4[3]=8, Row2[2]=18, Row4[2]=1, Row3[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [13,18]
  • [4,9,9]
  • [3,1,8,1]
Base
  • 3
  • 1
  • 8
  • 1
TopValue
31
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":18}
  • {"r":3,"c":1,"v":1}
  • {"r":2,"c":2,"v":9}